CVE Vulnerabilities

CVE-2010-0439

Improper Link Resolution Before File Access ('Link Following')

Published: Mar 26, 2010 | Modified: Oct 10, 2018
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
6.9 MEDIUM
AV:L/AC:M/Au:N/C:C/I:C/A:C
RedHat/V2
RedHat/V3
Ubuntu

Chip Salzenberg Deliver allows local users to cause a denial of service, obtain sensitive information, and possibly change the ownership of arbitrary files via a symlink attack on an unspecified file.

Weakness

The software attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

Affected Software

Name Vendor Start Version End Version
Deliver Chip_salzenberg 2.1.14 2.1.14
Deliver Ubuntu dapper *

Potential Mitigations

  • Follow the principle of least privilege when assigning access rights to entities in a software system.
  • Denying access to a file can prevent an attacker from replacing that file with a link to a sensitive file. Ensure good compartmentalization in the system to provide protected areas that can be trusted.

References